.tree{padding:5px;}
.tree dd,.tree dt, .tree dl{margin:0;padding:0;}
.tree dd{margin-left:18px;}
.tree dt{display:block;background:url('img/tree-bg.png') no-repeat 0 0px;padding-left:35px;line-height :20px;height:20px;}
.tree dt.node-close{background-position: 0 -24px;}
.tree dt.node-open{background-position: 0 -58px;}
.tree dt a{color:#000;text-decoration:none;font-size:12px;line-height:18px;float:left;}
.tree dt a:hover{background:#fce8ba;text-decoration:underline;}